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What is the data center supply chain?

AlphaOS investment intelligence · Research and education only — not investment advice · Updated Sep 27, 2026

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The data center supply chain is a multi-layered ecosystem spanning semiconductors, power infrastructure, cooling systems, networking equipment, and physical construction that collectively enables the build-out of compute facilities. At its core, NVIDIA dominates the AI accelerator segment with approximately 80% GPU market share, while the chain extends upstream to TSMC (advanced chip fabrication), ASML (lithography equipment), and downstream to power systems providers like Vertiv and Eaton, cooling specialists such as Vertiv and Schneider Electric, networking vendors including Arista Networks and Broadcom, and hyperscale operators like Microsoft, Amazon, Google, and Meta who collectively are committing over $300 billion in capex in 2025. Physical construction and real estate are served by data center REITs such as Equinix and Digital Realty.

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Key Takeaways

  • Semiconductors are the apex of the supply chain — NVIDIA GPUs, AMD GPUs, and custom ASICs from Google (TPUs), Amazon (Trainium/Inferentia), and Microsoft (Maia) are the primary compute engines
  • TSMC manufactures the vast majority of advanced AI chips on 3nm and 5nm nodes, making it a systemic chokepoint for the entire supply chain
  • Power infrastructure is an acute bottleneck — a single AI data center cluster can require 100–500+ MW, driving demand for Vertiv, Eaton, Schneider Electric, and grid-scale power developers
  • Networking is a high-growth segment — Arista Networks and Broadcom supply high-speed Ethernet and custom silicon for intra-cluster communication, with InfiniBand supplied by NVIDIA (Mellanox)
  • Cooling technology is evolving rapidly from traditional air cooling to liquid cooling and direct-to-chip solutions, benefiting companies like Vertiv, CoolIT, and Modine Manufacturing
  • Hyperscalers (Amazon AWS, Microsoft Azure, Google Cloud, Meta) are the dominant demand drivers, collectively spending an estimated $300B+ in infrastructure capex in 2025
  • Memory and storage — SK Hynix and Samsung supply HBM3e memory stacked on AI GPUs, with HBM supply remaining constrained through 2025
  • Physical real estate and interconnection are served by REITs Equinix and Digital Realty, which operate over 250 and 300 facilities globally, respectively

Evidence & Analysis

  • Microsoft, Google, Amazon, and Meta collectively guided for over $300 billion in combined capex for 2025, the majority directed at AI data center infrastructure
  • NVIDIA's data center revenue reached $47.5 billion in fiscal year 2024, representing over 80% of total company revenue and reflecting the scale of GPU demand
  • SK Hynix supplies over 50% of HBM3e memory used in NVIDIA H100/H200 GPUs; HBM supply has been identified as a constraint on GPU shipment volumes through 2025
  • A single NVIDIA GB200 NVL72 rack system consumes approximately 120 kW of power, illustrating the acute energy intensity driving power infrastructure investment
  • TSMC's advanced packaging capacity (CoWoS) for AI chips was estimated to be fully booked through 2025, representing a known supply bottleneck for GPU production
  • Equinix operates 260+ data centers across 70+ markets globally, serving as the physical interconnection backbone for enterprise and cloud workloads

Key Companies

NVDA

NVIDIA Corporation

Dominant AI GPU supplier with ~80% data center accelerator market share; H100 and Blackwell platforms are central to AI infrastructure buildout

TSM

Taiwan Semiconductor Manufacturing Company

Sole manufacturer of leading-edge AI chips at 3nm/5nm nodes; systemic supply chain chokepoint

VRT

Vertiv Holdings

Leading provider of power and thermal management infrastructure for data centers; direct beneficiary of AI-driven power demand surge

ANET

Arista Networks

Primary supplier of high-speed Ethernet switching for hyperscale and AI data center networking fabrics

AVGO

Broadcom Inc.

Supplies custom AI ASICs (XPUs) for Google and Meta, plus networking silicon; major beneficiary of hyperscaler custom chip demand

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